隐藏和显示任务栏

Question

unit Unit1;interfaceuses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;type
  TForm1 = class(TForm)
    Show: TButton;
    Hide: TButton;
    procedure ShowClick(Sender: TObject);
    procedure HideClick(Sender: TObject);
  private
    procedure hideTaskbar;
    procedure showTaskbar;
    { Private declarations }
  public
    { Public declarations }
  end;var
  Form1: TForm1;implementation{$R *.dfm}procedure TForm1.hideTaskbar;
var
    wndHandle : THandle;
    wndClass : array[0..50] of Char;
begin
    StrPCopy(@wndClass[0], 'Shell_TrayWnd');
    wndHandle := FindWindow(@wndClass[0], nil);
    ShowWindow(wndHandle, SW_HIDE);
End;procedure TForm1.showTaskbar;
var
    wndHandle : THandle;
    wndClass : array[0..50] of Char;
begin
    StrPCopy(@wndClass[0], 'Shell_TrayWnd');
    wndHandle := FindWindow(@wndClass[0], nil);
    ShowWindow(wndHandle, SW_RESTORE);
end;procedure TForm1.ShowClick(Sender: TObject);
begin
    showTaskbar();
end;procedure TForm1.HideClick(Sender: TObject);
begin
    hideTaskbar();
end;end.